3-(4-Chlorobenzenesulfonyl)-N-[(3-methoxyphenyl)methyl]-[1,2,3]triazolo[1,5-a]quinazolin-5-amine CAS 895646-96-5
| CAS No. | 895646-96-5 |
| Molecular Formula | C23H18ClN5O3S |
| Molecular Weight | 479.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 479.94 g/mol gives 3-(4-Chlorobenzenesulfonyl)-N-[(3-methoxyphenyl)methyl]-[1,2,3]triazolo[1,5-a]quinazolin-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-(4-Chlorobenzenesulfonyl)-N-[(3-methoxyphenyl)methyl]-[1,2,3]triazolo[1,5-a]quinazolin-5-amine (CAS 895646-96-5), a certified reference material (molecular formula C23H18ClN5O3S, MW 479.94 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 3-(4-Chlorobenzenesulfonyl)-N-[(3-methoxyphenyl)methyl]-[1,2,3]triazolo[1,5-a]quinazolin-5-amine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 479.94 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3-(4-Chlorobenzenesulfonyl)-N-[(3-methoxyphenyl)methyl]-[1,2,3]triazolo[1,5-a]quinazolin-5-amine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C23H18ClN5O3S |
| Molecular Weight | 479.94 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 17.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Chlorobenzenesulfonyl Standards
- 4-{3-[(4-chlorobenzenesulfonyl)methyl]-4-nitrophenyl}-2-(4-methylphenyl)pyrimidine (CAS 303145-54-2)
- (2E)-1-{3-[(4-chlorobenzenesulfonyl)methyl]-4-nitrophenyl}-3-[(4-methoxyphenyl)amino]prop-2-en-1-one (CAS 338968-32-4)
- N-{4-[4-(4-chlorobenzenesulfonyl)piperazin-1-yl]-3-fluorophenyl}-3-methylbenzamide (CAS 478260-29-6)
- 1-(3-Chlorobenzenesulfonyl)-5-[(E)-1-(4-chlorophenoxy)-2-phenylethenyl]-1H-pyrazole (CAS 400087-39-0)
- 1-(4-Chlorobenzenesulfonyl)-4-{5-[3-(trifluoromethyl)phenyl]-1H-pyrazol-3-yl}piperidine (CAS 1025724-67-7)
- (2E)-2-(4-Chlorobenzenesulfonyl)-3-{2-[(4-chlorophenyl)sulfanyl]-5-nitrophenyl}prop-2-enenitrile (CAS 1025281-49-5)
- 1-(4-Chlorobenzenesulfonyl)-4-{[4-(4-fluorophenyl)piperazin-1-yl]methyl}piperidin-4-ol (CAS 478041-65-5)
- 4-{3-[(4-chlorobenzenesulfonyl)methyl]-4-nitrophenyl}-2-(pyridin-3-yl)pyrimidine (CAS 303145-52-0)
Recommended Standards
- 2-((5-Benzyl-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(4-chloro-3-nitrophenyl)acetamide (CAS 332922-47-1)
- 1-(5-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)thiophen-2-yl)-2-(quinoxalin-2-ylthio)ethan-1-one (CAS 339016-49-8)
- N-(3-chloro-2-methylphenyl)-2-((3-(furan-2-ylmethyl)-4-oxo-3,4-dihydrobenzofuro[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 902938-07-2)
- NVS-PAK1-1 (CAS 1783816-74-9)
- 2,2-Difluoro-2-(3-methyl-1H-indazol-6-yl)acetic acid (CAS 1547098-94-1)
- 3-(6-Methylpyridin-3-yl)-3-oxopropanenitrile (CAS 948883-42-9)
- N-Pentylindole-d11 (CAS 1346603-11-9)
- 5-Methyl-3-(trifluoromethyl)isoxazol-4-amine (CAS 354795-56-5)
- 1-(4-Chloro-2-fluorophenyl)-3-(2-methoxyphenyl)propan-1-one (CAS 898770-45-1)
- 3-methyl-2-oxo-1,2-dihydroquinoline-6-sulfonyl chloride (CAS 1181714-73-7)
- [(3,4-dihydro-1h-2-benzopyran-1-yl)methyl](methyl)amine hydrochloride (CAS 31231-58-0)
- 1,5-Dimethylpyrrolidine-2,4-dione triacetate (CAS 1624262-33-4)
- Ethyl benzo[b]thiophene-7-carboxylate (CAS 959632-57-6)
- Des-Ile12-Aib13-Tirzepatide (CAS CATO-CPTD788960)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com